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JEE CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES
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effect is exhibited by which one of the following.
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Correct option: A
Option A (-CN) is correct because the cyano group (-CN) is a strong electron-withdrawing group and exhibits a significant -I effect.
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Assertion (A): The compounds that have the same constitution and sequence of covalent bonds but differ in relative positions of their atoms or groups in space are called stereoisomers.
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Reason (R): Stereoisomerism is a special type of isomerism which can be classified as geometrical and optical isomerism